<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="js/vue-2.6.10.js"></script>
</head>
<body>
<div id="app">
    <introduce :title="msg"></introduce>
</div>
<script type="text/javascript">
    const introduce = {
        template:"<h1>{{title}}</h1>",
        props:["title"]
    };

    Vue.component("introduce",introduce);

    new Vue({
        el: "#app",
        data: {
            msg:"ff"
        },
    });
</script>
</body>
</html>